目的观察寒冷干燥环境下羊肢体枪伤骨折后血糖和胰岛素变化规律。
Objective To investigate the pattern of changes in plasma glucose and insulin in sheep with gunshot fracture on limbs in the cold and dry environment.
外界因素：生活地域气候寒冷、干燥，工作环境空气被粉尘、化学气体污染，烟酒、辛辣饮食长期刺激，都易得慢性咽炎。
External factors: life region climate, dry, cold working environment air is dust, chemical gas pollution, alcohol and tobacco, spicy food stimulation, are easy to long-term chronic pharyngitis.
在晚更新世末期，中国陆架环境的最显著特点是寒冷而干燥。
In the last stage of the Late Pleistocene, the main features of the sedimentary environment in China continental shelf were cold and dry.
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